Gauge for determining the percentage by weight of moisture contained in a bulk material transported on a moving conveyor
阅读：370发布：2021-03-28
专利汇可以提供Gauge for determining the percentage by weight of moisture contained in a bulk material transported on a moving conveyor专利检索，专利查询，专利分析的服务。并且A moisture gauge including a radiation source for irradiating with fast neutrons and gamma radiation a bulk substance having moisture contained therein, a detector responsive to gamma radiation which has interacted with a predetermined fractional cross-sectional area of the bulk substance to produce a first electrical signal correlated to the total weight of the bulk substance including contained moisture, and a detector which is responsive to slow neutrons generated by the interaction of fast neutrons and hydrogen atoms of the contained moisture in said predetermined fractional cross-sectional area to produce a second electrical signal correlated to the weight of the moisture contained in the bulk substance. An electrical circuit divides the moisture weight signal and total weight signal to provide an output correlated to the percent by weight of moisture contained in the bulk material.，下面是Gauge for determining the percentage by weight of moisture contained in a bulk material transported on a moving conveyor专利的具体信息内容。
1. A gauge for determining the weight percentage moisture in a bulk substance transported in a longitudinal direction on a moving hydrogenous conveyor having a width perpendicular to the direction of conveyor movement, said gauge comprising: a source of fast neutrons for directing fast neutrons through substantially less than the entire width of said hydrogenous belt and bulk substance transported thereby, a source of gamma radiation for directing gamma radiation through substantially less than the entire width of said hydrogenous belt and bulk substance transported thereby, the energy of said fast neutrons and the belt width irradiated thereby being selected to irradiate a cross-sectional area of said bulk substance substantially equal in cross-sectional area to the cross-sectional area of said bulk material irradiated by said gamma source, a detector for detecting slow neutrons generated in said bulk material and producing a first electrical signal correlated thereto, and for detecting gamma radiation transmitted through said bulk material and generating a second electrical signal correlated thereto, and a signal processing circuit for processing said first and second signals to produce an output related to the weight percentage moisture in said bulk substaNce.
2. A gauge for determining the weight percentage moisture in a bulk substance transported in a longitudinal direction on a moving hydrogenous conveyor having a width perpendicular to the direction of conveyor movement, said gauge comprising: a source of fast neutrons for directing fast neutrons through said belt and bulk substance transported thereby, a source of gamma radiation for directing gamma radiation through said belt and bulk substance transported thereby, a detector for detecting slow neutrons generated from a first cross-sectional area of said bulk substance and producing a first electrical signal correlated thereto, and for detecting gamma radiation emanating from a second cross-sectional area of said bulk substance and producing a second electrical signal correlated thereto, said first and second cross-sectional areas being substantially equal and being substantially less than the entire cross-sectional area of said bulk substance, and a signal processing circuit for processing said first and second signals to produce an output related to the weight percentage moisture in said bulk substance.
3. The gauge of claim 2 wherein said gamma and fast neutron sources each irradiate substantially the entire cross-sectional area of said bulk substance, and wherein said detector includes: a. separate slow neutron and gamma detectors, and b. means for permitting said separate slow neutron and gamma detectors to detect slow neutrons and gamma from only said first and second equal cross-sectional areas.
4. The gauge of claim 1 wherein said bulk substance is wood chips or a material having a density substantially equal thereto; said gamma source includes at least three physically separate gamma-emitting radioactive elements located at first, second and third points spaced along the width of said belt, the distance between the outermost of said elements being substantially less than the width of said belt; and said fast neutron source includes at least two fast-neutron-emitting radioactive elements located along said belt width at fourth and fifth points interspersed between said first, second and third points.
5. The gauge of claim 1 wherein said bulk substance is sinter mix or a material having a density substantially equal thereto; said gamma source includes at least two physically separate gamma-emitting radioactive elements located at first and second points along said belt width spaced apart substantially less than the width of said belt; and wherein said fast neutron source includes at least one fast neutron-emitting radioactive element located at a point intermediate said first and second points.
6. The gauge of claim 1 wherein said gamma-emitting source includes radioactive gamma-emitting elements located along the width of said belt exteriorly of said fast neutron source.
7. A gauge for determining the weight percentage moisture in a bulk substance transported in a longitudinal direction on a moving conveyor having a width perpendicular to the direciton of conveyor movement, said gauge comprising: a source of fast neutrons for directing fast neutrons through said belt and bulk substance transported thereby, a source of gamma radiation for directing gamma radiation through said belt and bulk substance transported thereby, a detector for detecting slow neutrons generated from a first cross-sectional area of said bulk substance and producing a first electrical signal correlated thereto, and for detecting gamma radiation emanating from a second cross-sectional area of said bulk substance and producing a second electrical signal correlated thereto, said first and second cross-sectional areas being substantially equal and being substantially less than the entire cross-sectional area of said bulk substance, a neutron reflector for directing fast neutrons incident thereon back into said bulk substance, said reflected fast neutrons having been, prior to incidence on said reflector, transmitted throUgh said bulk substance, said belt being located between said source and reflector in a range where the said first detector output signal would be substantially constant over small variations in position, relative to said source and detector, were the belt to have a constant weight moisture load thereon, and a signal processing circuit for processing said first and second signals to produce an output related to the weight percentage moisture in said bulk substance.
8. The gauge of claim 2 wherein said first and second cross-sectional areas are located centrally of said belt width.
9. The gauge of claim 8 wherein said bulk substance has a depth at said central cross-sectional area equivalent to approximately 3 1/2 inches of wood chips at 50 percent by weight of moisture.
10. The guage of claim 8 wherein said conveyor is supported by first and second rollers located below opposite marginal portions of said belt and a third roller located below a central portion of said belt, said first and second rollers being disposed relative to said third roller at an angle sufficient to produce at said central cross-sectional area a depth of bulk substance equivalent to approximately 3 1/2 inches of wood chips at 50 percent by weight of moisture.
11. The gauge of claim 1 wherein said equal irradiated cross-sectional areas are between approximately 25 and 75 percent of the entire cross-sectional area of the bulk substance.
12. The gauge of claim 11 wherein said equal irradiated cross-sectional areas are approximately one-third the entire cross-sectional area of the bulk substance.
13. The gauge of claim 2 wherein said equal cross-sectional areas are between approximately 25 and 75 percent of the entire cross-sectional area of the bulk substance.
14. Th gauge of claim 13 wherein said equal cross-sectional areas are approximately one-third the entire cross-sectional area of the bulk substance.
15. The gauge of claim 1 wherein the weight of moisture in said cross-sectional area is relatively high; said gamma source includes at least three physically separate gamma-emitting radioactive elements located at first, second and third points spaced along the width of said belt, the distance between the outermost of said elements being substantially less than the width of said belt; and said fast neutron source includes at least two fast neutron-emitting radioactive elements located along said belt width at fourth and fifth points interspersed between said first, second and third points.
16. The gauge of claim 1 wherein the weight of moisture in said cross-sectional area is relatively low; said gamma source includes at least two physically separate gamma-emitting radioactive elements located at first and second points along said belt width spaced apart substantially less than the width of said belt; and wherein said fast neutron source includes at least one fast neutron-emitting radioactive element located at a point intermediate said first and second points.
17. The gauge of claim 2 wherein the neutron source energy level is selected to produce maximum gauge sensitivity for a predetermined maximum moisture without saturating.
18. A gauge for determining the weight percentage moisture in a bulk substance transported in a longitudinal direction on a moving conveyor having a width perpendicular to the direction of conveyor movement, said gauge comprising: a source of fast neutrons for directing fast neutrons into said bulk substance transported thereby, a source of gamma radiation for directing gamma radiation into said bulk substance transported thereby, a detector for detecting slow neutrons generated from a first cross-sectional area of said bulk substance and producing a first electrical signal correlated thereto, and for detecting gamma radiation emanating from a second cross-sectional area of said bulk substance and producing a second electrical signal correlated thereto, said firSt and second cross-sectional areas being substantially equal and being substantially less than the entire cross-sectional area of said bulk substance, and a signal processing circuit for processing said first and second signals to produce an output related to the weight percentage moisture in said bulk substance.
| 标题 | 发布/更新时间 | 阅读量 |
|---|---|---|
| 一种用于快中子反应堆中子输运燃耗耦合分析的计算方法 | 2020-05-11 | 914 |
| 一种一体化小型氘氘中子发生器 | 2020-05-13 | 846 |
| 中子缓速材料 | 2020-05-14 | 505 |
| 一种用于水下无人潜器的核电源系统 | 2020-05-12 | 205 |
| 一种熔盐堆堆芯 | 2020-05-15 | 267 |
| 一种建筑用混凝土的制备方法 | 2020-05-11 | 886 |
| 一种基于加速器驱动的99Mo次临界生产装置及方法 | 2020-05-12 | 804 |
| 一种高温钠中裂变产物滞留因子的测量方法及测量系统 | 2020-05-15 | 95 |
| 一种钢壳-混凝土脱空检测装置 | 2020-05-16 | 632 |
| 一种海上平台反应堆压力容器支撑裙 | 2020-05-17 | 932 |
高效检索全球专利专利汇是专利免费检索,专利查询,专利分析-国家发明专利查询检索分析平台，是提供专利分析，专利查询，专利检索等数据服务功能的知识产权数据服务商。
我们的产品包含105个国家的1.26亿组数据，免费查、免费专利分析。
分析报告
专利汇分析报告产品可以对行业情报数据进行梳理分析，涉及维度包括行业专利基本状况分析、地域分析、技术分析、发明人分析、申请人分析、专利权人分析、失效分析、核心专利分析、法律分析、研发重点分析、企业专利处境分析、技术处境分析、专利寿命分析、企业定位分析、引证分析等超过60个分析角度，系统通过AI智能系统对图表进行解读，只需1分钟，一键生成行业专利分析报告。
快中子热门专利
-
2 一种光纤辐射探头
QQ群二维码
意见反馈
意见反馈